But you'd expect if this were being treated as a likely success for Tesla the announcement would have caused a price bump or at least a reversal of the trend.

Also 2 years ago is a pretty specific time point where it was near the lowest it's been looking back a less random 5d, 1M, 6M, 1Y and 5Y it's only up on the 5Y chart and that's a relatively meager 25%.